Support hanger for a shelf



FIG. 1 is a front elevational view of a support hanger for a shelf showing our new design, the rear being identical;

FIG. 2 is a side elevational view, the opposite side being identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a support hanger for a shelf, substantially as shown and described. 